Finding the Fourth Proportional to 7,926,597.09, 10,938,642.35 and 4,304,925.09
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Solution
The fourth proportional to 7,926,597.09, 10,938,642.35 and 4,304,925.09 is: 5,940,763.15
Step by Step Solution
- Step 1: Write the proportion equation
7,926,597.09 : 10,938,642.35 = 4,304,925.09 : x - Step 2: Convert to fraction form
7,926,597.09/10,938,642.35 = 4,304,925.09/x - Step 3: Cross multiply
7,926,597.09x = 10,938,642.35 × 4,304,925.09 - Step 4: Simplify right side
7,926,597.09x = 47,090,035,881,526.94 - Step 5: Solve for x
x = 47,090,035,881,526.94/7,926,597.09 - Step 6: Final answer
x = 5,940,763.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.